1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkPicture.h"
9 #include "include/core/SkStream.h"
10 #include "include/utils/SkNullCanvas.h"
11 #include "tools/debugger/DebugCanvas.h"
12
13 #include <iostream>
14
15 #ifdef SK_BUILD_FOR_WIN
16 #include <fcntl.h>
17 #include <io.h>
18 #endif
19
20 /*
21 If you execute skp_parser with one argument, it spits out a json representation
22 of the skp, but that's incomplete since it's missing many binary blobs (these
23 could represent images or typefaces or just anything that doesn't currently
24 have a json representation). Each unique blob is labeled with a string in the
25 form "data/%d". So for example:
26
27 tools/git-sync-deps
28 bin/gn gen out/debug
29 ninja -C out/debug dm skp_parser
30 out/debug/dm -m grayscale -w /tmp/dm --config skp
31 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | less
32 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | grep data
33 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 | file -
34 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 > /tmp/data0.png
35
36 "data/0" is an image that the SKP serializer has encoded as PNG.
37 */
main(int argc,char ** argv)38 int main(int argc, char** argv) {
39 if (argc < 2) {
40 SkDebugf("Usage:\n %s SKP_FILE [DATA_URL]\n", argv[0]);
41 return 1;
42 }
43 SkFILEStream input(argv[1]);
44 if (!input.isValid()) {
45 SkDebugf("Bad file: '%s'\n", argv[1]);
46 return 2;
47 }
48 sk_sp<SkPicture> pic = SkPicture::MakeFromStream(&input);
49 if (!pic) {
50 SkDebugf("Bad skp: '%s'\n", argv[1]);
51 return 3;
52 }
53 SkISize size = pic->cullRect().roundOut().size();
54 DebugCanvas debugCanvas(size.width(), size.height());
55 pic->playback(&debugCanvas);
56 std::unique_ptr<SkCanvas> nullCanvas = SkMakeNullCanvas();
57 UrlDataManager dataManager(SkString("data"));
58 SkDynamicMemoryWStream stream;
59 SkJSONWriter writer(&stream, SkJSONWriter::Mode::kPretty);
60 writer.beginObject(); // root
61 debugCanvas.toJSON(writer, dataManager, nullCanvas.get());
62 writer.endObject(); // root
63 writer.flush();
64 if (argc > 2) {
65 if (UrlDataManager::UrlData* data =
66 dataManager.getDataFromUrl(SkString(argv[2]))) {
67 SkData* skdata = data->fData.get();
68 SkASSERT(skdata);
69 #ifdef SK_BUILD_FOR_WIN
70 fflush(stdout);
71 (void)_setmode(_fileno(stdout), _O_BINARY);
72 #endif
73 fwrite(skdata->data(), skdata->size(), 1, stdout);
74 } else {
75 SkDebugf("Bad data url.\n");
76 return 4;
77 }
78 } else {
79 sk_sp<SkData> data = stream.detachAsData();
80 fwrite(data->data(), data->size(), 1, stdout);
81 }
82 return 0;
83 }
84
